Square Numbers and Square Roots

• 2

• 1

• 4

• not possible

which of these is a square number

• 64

• 1

• 12

• 44

square root of 9

√16

• 4
• 8
• 2
• 9

7²

• 50
• 49
• 14
• 48

√121

• 12
• 10
• 11
• 3

To find the square root of a number, you must divide it by 2.

• True
• False

square number of 10

The area of a square is 36 cm².  What is the length of one side?

• 6 cm
• 24 cm
• 9 cm
• 9 cm

If I know the area of a square, how do I find the side length?

• I square the area.
• I divide the area by 2.
• I take the square root of the area.
• I divide the area by 4.